Re: Mystery from the Philippines

April 22, 1999
From: Erwin Koehler

Bill,
Here is a detail of the Philippine mystery - the rhinopores of it.

I was just going to rescan the photo as I had a look at Debelius ... At page 155 middle/right is the mystery-slug: Berthella martensi
I didn't know that this critter can grow so large and look like this way - all photos at the web show it yellow with black spots, this one looks like a negative: black with yellow spots!

Thanks for all your help!
Erwin

Medslugs.Koehler@t-online

Koehler, E., 1999 (Apr 22) Re: Mystery from the Philippines. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/796

Dear Erwin,
I had wondered whether there were two 'tentacles' or one and a shadow. Certainly if there are two, as your enlargement suggests then they look like a pair of pleurobranch rhinophores as illustrated for Berthella stellata.

One problem is I don't know of any species with that colour pattern and raised tubercles. I find it hard to accept that it is a color form of Berthella martensi, which ranges in colour from a yellow to white background with dark brown or black spots and lines. The back is smooth with no raised tubercles. I'm afraid the only decent photo I have is of a white animal in the page on autotomy.

If anyone else has any ideas please share them with us.
Bill Rudman.

Rudman, W.B., 1999 (Apr 22). Comment on Re: Mystery from the Philippines by Erwin Koehler. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/796

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